var HM=
{
    getUrlParam : function(paraName) {
            var url = document.location.toString();
            //alert(url);
            var arrObj = url.split("?");
            if (arrObj.length > 1) {
                var arrPara = arrObj[1].split("&");
                var arr;
                for (var i = 0; i < arrPara.length; i++) {
                    arr = arrPara[i].split("=");
                    if (arr != null && arr[0] == paraName) {
                        return arr[1];
                    }
                }
                return "";
            }
            else {
                return "";
            }
        },
}
